25641356

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:570

約数の個数: 36

約数和(自身を含む): 49282632

約数和(自身を除く): 23641276

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 169, 332, 338, 457, 676, 914, 1079, 1828, 2158, 4316, 5941, 11882, 14027, 23764, 28054, 37931, 56108, 75862, 77233, 151724, 154466, 308932, 493103, 986206, 1972412, 6410339, 12820678, 25641356]

約数ペア:

[(1, 25641356), (2, 12820678), (4, 6410339), (13, 1972412), (26, 986206), (52, 493103), (83, 308932), (166, 154466), (169, 151724), (332, 77233), (338, 75862), (457, 56108), (676, 37931), (914, 28054), (1079, 23764), (1828, 14027), (2158, 11882), (4316, 5941)]